674080812 has 48 divisors (see below), whose sum is σ = 1752750720. Its totient is φ = 224033616.

The previous prime is 674080811. The next prime is 674080817. The reversal of 674080812 is 218080476.

It is a super-2 number, since 2×674080812² = 908769882213158688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (674080811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28483 + ... + 46469.

It is an arithmetic number, because the mean of its divisors is an integer number (36515640).

Almost surely, 2^674080812 is an apocalyptic number.

It is an amenable number.

674080812 is an abundant number, since it is smaller than the sum of its proper divisors (1078669908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674080812 is a wasteful number, since it uses less digits than its factorization.

674080812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18347 (or 18339 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 674080812 is about 25963.0663058122. The cubic root of 674080812 is about 876.8069595451.

The spelling of 674080812 in words is "six hundred seventy-four million, eighty thousand, eight hundred twelve".